diff -r a236a9f137ac -r 1376481f15e7 vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Mon Oct 08 17:10:27 2012 -0700
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Tue Oct 16 11:55:56 2012 +0200
@@ -24,12 +24,17 @@
     }
     
     public static String toStringTest(int howMuch) {
+        counter = 0;
         StringSample ss = null;
         for (int i = 0; i < howMuch; i++) {
             ss = new StringSample();
         }
         return ss.toString().toString();
     }
+    
+    public static String concatStrings() {
+        return (toStringTest(1) + "Ahoj").toString();
+    }
 
     @Override
     public String toString() {